WenmarOpen by Wenmar Pro

Service bulletins for the 2018 Cadillac CTS

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

1149 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Only bulletins with component: Axle are shown. Show all

Bulletins, newest first
PIP5898B2024-04-15. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. This Preliminary information communicates a potential root cause for a rear axle seal leak.
PIP5898A2023-03-13. Service bulletin. POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT:SEAL. This Preliminary information communicates a potential root cause for a rear axle seal leak.
PIE04372018-04-23. Service bulletin. POWER TRAIN; POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT:SEAL. This engineering information is requesting information from the field on vehicles that have the condition of Rear Drive Module Fluid Leaks - Axle Seals, Pinion Seal, or Cover Seal.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.